简化读取配置的代码

@@ -19,11 +19,11 @@ import logging
 logger = logging.getLogger("uvicorn.error")
 Z_IMAGE_BASE_URL = os.getenv("Z_IMAGE_BASE_URL", "http://106.120.52.146:39009").rstrip("/")
 REQUEST_TIMEOUT_SECONDS = float(os.getenv("REQUEST_TIMEOUT_SECONDS", "120"))
-GALLERY_IMAGES_PATH = Path(os.getenv("GALLERY_IMAGES_PATH", Path(__file__).with_name("gallery_images.json")))
-GALLERY_VIDEOS_PATH = Path(os.getenv("GALLERY_VIDEOS_PATH", Path(__file__).with_name("gallery_videos.json")))
-USAGE_PATH = Path(os.getenv("USAGE_PATH", Path(__file__).with_name("usage.json")))
+GALLERY_IMAGES_PATH = Path(__file__).with_name("gallery_images.json")
+GALLERY_VIDEOS_PATH = Path(__file__).with_name("gallery_videos.json")
+USAGE_PATH = Path(__file__).with_name("usage.json")
 GALLERY_MAX_ITEMS = int(os.getenv("GALLERY_MAX_ITEMS", "500"))
-WHITELIST_PATH = Path(os.getenv("WHITELIST_PATH", Path(__file__).with_name("whitelist.txt")))
+WHITELIST_PATH = Path(__file__).with_name("whitelist.txt")
 ADMIN_ID = "86427531"
 
 # --- Add this line to fix the port ---